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Optimized Image-Based Surrogate Endpoints in Targeted Therapies for Glioblastoma: A Systematic Review and Meta-Analysis of Phase III Randomized Controlled Trials

Suh CH, Kim HS, Jung SC, Choi CG, Kim SJ, Kim KW

OBJECTIVE: We aimed to determine the optimized image-based surrogate endpoints (IBSEs) in targeted therapies for glioblastoma through a systematic review and meta-analysis of phase III randomized controlled trials (RCTs). MATERIALS AND...
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Alpha Stent for Coiling of Unruptured, Wide-Necked, Distal Internal Carotid Artery Aneurysms: Safety and Effectiveness at 6 Months

Song Y, Sheen JJ, Kim JG, Lee SH, Cho SH, Park JC, Choi CG, Lee DH

OBJECTIVE: The Alpha stent (CGBio), a new intracranial stent featuring a re-sheathable mesh design with improved wall apposition at the curved segment, was clinically evaluated. We report the 6-month follow-up...
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Improved Diagnostic Accuracy of Alzheimer's Disease by Combining Regional Cortical Thickness and Default Mode Network Functional Connectivity: Validated in the Alzheimer's Disease Neuroimaging Initiative Set

Park JE, Park B, Kim SJ, Kim HS, Choi CG, Jung SC, Oh JY, Lee JH, Roh JH, Shim WH, Alzheimer's Disease Neuroimaging Initiative (ADNI)

OBJECTIVE: To identify potential imaging biomarkers of Alzheimer's disease by combining brain cortical thickness (CThk) and functional connectivity and to validate this model's diagnostic accuracy in a validation set. MATERIALS AND...
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Pre-Operative Perfusion Skewness and Kurtosis Are Potential Predictors of Progression-Free Survival after Partial Resection of Newly Diagnosed Glioblastoma

Paik W, Kim HS, Choi CG, Kim SJ

OBJECTIVE: To determine whether pre-operative perfusion skewness and kurtosis derived from normalized cerebral blood volume (nCBV) histograms are associated with progression-free survival (PFS) of patients after partial resection of newly...
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Microembolism after Endovascular Treatment of Unruptured Cerebral Aneurysms: Reduction of its Incidence by Microcatheter Lumen Aspiration

Kim DY, Park JC, Kim JK, Sung YS, Park ES, Kwak JH, Choi CG, Lee DH

PURPOSE: Diffusion-weighted MR images (DWI) obtained after endovascular treatment of cerebral aneurysms frequently show multiple high-signal intensity (HSI) dots. The purpose of this study was to see whether we could...
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Effects of MR Parameter Changes on the Quantification of Diffusion Anisotropy and Apparent Diffusion Coefficient in Diffusion Tensor Imaging: Evaluation Using a Diffusional Anisotropic Phantom

Kim SJ, Choi CG, Kim JK, Yun SC, Jahng GH, Jeong HK, Kim EJ

OBJECTIVE: To validate the usefulness of a diffusional anisotropic capillary array phantom and to investigate the effects of diffusion tensor imaging (DTI) parameter changes on diffusion fractional anisotropy (FA) and...
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Endotracheal intubation using i-gel(R) and lightwand in a patient with difficult airway: a case report

Choi CG, Yang KH, Jung JK, Han JU, Lee CS, Cha YD, Song JH

This case report involves tracheal intubation using i-gel(R) in combination with a lightwand in a patient with a difficult airway, classified as Cormack-Lehane grade 3. I-gel(R) was used during anesthesia...
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Incidental Saccular Aneurysms on Head MR Angiography: 5 Years' Experience at a Single Large-Volume Center

Park S, Lee DH, Ryu CW, Pyun HW, Choi CG, Kim SJ, Suh DC

BACKGROUND AND PURPOSE: The diagnostic accuracy for unruptured intracranial aneurysms has increased, and incidental asymptomatic aneurysms have come to represent a substantial clinical burden because of their controversial natural history....
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Surface Landmarks do not Correspond to Exact Levels of the Cervical Spine: References According to the Sex, Age and Height

Oh CH, Ji GY, Yoon SH, Hyun D, Choi CG, Lim HK, Jang AR

OBJECTIVE: A general orientation along the cervical spine could be estimated by external landmarks, and it was useful, quick and less exposable to radiation, but, sometimes it gave reference confusion...
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Comparison of Superparamagnetic Iron Oxide Labeling Efficiency between Poly-L-Lysine and Protamine Sulfate for Human Mesenchymal Stem Cells: Quantitative Analysis Using Multi-Echo T2* Magnetic Resonance Imaging

Suh JY, Lee JH, Lee CK, Shin JH, Choi CG, Kim JK

PURPOSE: To quantify in vitro labeling efficiency of protamine sulfate (PS) and poly-L-lysine (PLL) for labeling of human mesenchymal stem cells (hMSCs) with superparamagnetic iron oxide (SPIO) using multi-echo T2*...
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Evaluation of White Matter Abnormality in Mild Alzheimer Disease and Mild Cognitive Impairment Using Diffusion Tensor Imaging: A Comparison of Tract-Based Spatial Statistics with Voxel-Based Morphometry

Lim HK, Kim SJ, Choi CG, Lee JH, Kim SY, Kim HJ, Kim N, Jahng GH

PURPOSE: To evaluate white matter abnormalities on diffusion tensor imaging (DTI) in patients with mild Alzheimer disease (AD) and mild cognitive impairment (MCI), using tract-based spatial statistics (TBSS) and voxel-based...
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Endotracheal intubation using i-gel and a flexible fiber optic bronchoscope: A case report

Lim HK, Choi CG, Shinn HK, Lee CS, Hwang SI, Lee SM, Song JH

  • KMID: 2169105
  • Anesth Pain Med.
  • 2012 Apr;7(2):147-150.
Most anesthesiologists, at one point or another, are faced with a difficult airway. We came upon an unexpected difficult airway and a failed intubation using a direct laryngoscope and lightwand....
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Enhancement Pattern of the Normal Facial Nerve on Three - Dimensional (3D) - Fluid Attenuated Inversion Recovery (FLAIR) Sequence at 3.0 T MR Units

Hyun D, Lim HK, Park JW, Kim JL, Lee HY, Park S, Ahn JH, Baek JH, Choi CG, Lee JH

PURPOSE: To compare the enhancement pattern of normal facial nerves on 3D-FLAIR and 3D-T1-FFE-F) sequences at 3.0 T MR units. MATERIALS AND METHODS: We assessed 20 consecutive subjects without a history...
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Endovascular and Microsurgical Treatment of Superior Cerebellar Artery Aneurysms

Jin SC, Park ES, Kwon DH, Ahn JS, Kwun BD, Kim CJ, Choi CG

OBJECTIVE: Superior cerebellar artery (SCA) aneurysms are regarded as being as difficult to treat surgically as posterior circulation aneurysms. We describe here a series of 33 of these aneurysms treated...
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Radiographic Analysis of Instrumented Posterolateral Fusion Mass Using Mixture of Local Autologous Bone and b-TCP (PolyBone(R)) in a Lumbar Spinal Fusion Surgery

Park JH, Choi CG, Jeon SR, Rhim SC, Kim CJ, Roh SW

OBJECTIVE: Although iliac crest autograft is the gold standard for lumbar fusion, the morbidity of donor site leads us to find an alternatives to replace autologous bone graft. Ceramic-based synthetic...
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Direct Carotid Cavernous Fistula of an Adult-Type Persistent Primitive Trigeminal Artery with Multiple Vascular Variations

Jin SC, Park H, Kwon DH, Choi CG

We report a case of spontaneous right carotid-cavernous fistula (CCF) in a proximal segment of persistent primitive trigeminal artery (PPTA) and combined vascular anomalies such as left duplicated hypoplastic proximal...
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Temporary Semi-Jailing Technique Avoiding Inevitable Antiplatelet Medication for Coil Embolization of Wide-necked Cerebral Aneurysms

Lu PH, Kim JL, Shin JH, Kim SJ, Lee DH, Choi CG, Suh DC

PURPOSE: Stent-assisted neck remodeling for wide-necked aneurysms requires long-term medication with antiplatelet agents. We describe here a temporary semi-jailing technique (SJT) for wide-necked aneurysms that avoids the need for antiplatelet...
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MR Spectroscopy and Perfusion MR Imaging Findings of Intracranial Foreign Body Granuloma: a Case Report

Jang SW, Kim SJ, Kim SM, Lee JH, Choi CG, Lee DH, Kim EJ, Lee JK

We report a case of intracranial foreign body granuloma that showed features of a high grade tumor on magnetic resonance (MR) imaging. However, the relative cerebral blood volume was not...
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Use of Self-Expanding Stents for the Treatment of Vertebral Artery Ostial Stenosis: a Single Center Experience

Chung SY, Lee DH, Choi JW, Choi BS, In HS, Kim SM, Choi CG, Kim SJ, Suh DC

OBJECTIVE: To evaluate our early experience using self-expanding stents to treat atherosclerotic vertebral artery ostial stenosis (VAOS), with respect to technical feasibility and clinical and imaging follow-up results. MATERIALS AND...
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Detachable Coil Embolization for Saccular Posterior Inferior Cerebellar Artery Aneurysms

Jeon SG, Kwon DH, Ahn JS, Kwun BD, Choi CG, Jin SC

OBJECTIVE: Surgical treatment of posterior inferior cerebellar artery (PICA) aneurysms is challenging due to limited surgical accessibility. Endovascular approach has a benefit of avoiding direct injury to the brainstem or...
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